CN216928171U

CN216928171U - Silicone rubber insulating fireproof anti-impact anti-spraying control cable for nuclear power station

Info

Publication number: CN216928171U
Application number: CN202123249337.0U
Authority: CN
Inventors: 吴春红; 王巧云; 戴光华; 戴永拓; 曹玉呈; 汪盛昌; 董培虎; 圣大勇; 李桃林; 佘荣; 董铂; 徐勇
Original assignee: Jiangsu Saide Electric Co ltd
Current assignee: Jiangsu Saide Electric Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-08
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a silicon rubber insulating fireproof, impact-resistant and spray-resistant control cable for a nuclear power station, which belongs to the technical field of control cables for the nuclear power station, and comprises a wear-resistant outer sheath, wherein a waterproof breathable film layer is arranged on the inner wall of the wear-resistant outer sheath, an oxygen isolation layer is arranged on the inner wall of the waterproof breathable film layer, a high-temperature-resistant layer is arranged on the inner wall of the oxygen isolation layer, an impact-resistant layer is arranged on the inner wall of the high-temperature-resistant layer, four groups of reinforcing ribs are arranged in the impact-resistant layer, an outer shielding layer is arranged on the inner wall of the impact-resistant layer, and a cable core is arranged on the inner wall of the outer shielding layer.

Description

Silicone rubber insulating fireproof anti-impact anti-spraying control cable for nuclear power station

Firstly, the following steps: Technical Field

The utility model relates to the technical field of control cables for nuclear power plants, in particular to a silicone rubber insulating fireproof, impact-resistant and spray-resistant control cable for a nuclear power plant.

II, secondly, the method comprises the following steps: background

The electric wire and the cable are widely applied to electric power facilities due to good performance, the electric wire and the cable bring great convenience to the vast people in life, the electric wire and the cable are mostly used in daily life, the electric wire and the cable are used as power supply cables, and the control cable is widely applied to nuclear power stations.

The control cable used in the existing nuclear power station has weak impact resistance, is easy to break when receiving large impact force, reduces the service life of the control cable, has low fireproof performance, and is weak in waterproof performance and easy to rust.

Thirdly, the steps of: SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a silicon rubber insulating fireproof anti-impact spray-proof control cable for a nuclear power station, which has the advantages that the existing control cable used in the nuclear power station has weak impact resistance, is easy to break a core when being subjected to large impact force, and reduces the service life of the control cable, and the existing control cable has low fireproof performance, is weak in waterproof performance, and is easy to oxidize so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: silicon rubber insulating fire prevention protecting against shock prevents spraying control cable for nuclear power station, including wear-resisting oversheath, wear-resisting oversheath inner wall is equipped with waterproof ventilative rete, waterproof ventilative rete inner wall is equipped with at a distance from the oxygen layer, it is equipped with high temperature resistant layer to separate oxygen layer inner wall, high temperature resistant layer inner wall is equipped with the protecting against shock layer, the inside four strengthening ribs that are equipped with of protecting against shock layer, protecting against shock layer inner wall is equipped with outer shielding layer, outer shielding layer inner wall is equipped with the cable core.

Preferably, the cable core comprises a fireproof layer arranged on the inner wall of the outer shielding layer, an inner shielding layer is arranged on the inner wall of the fireproof layer, an insulating layer is arranged on the inner wall of the inner shielding layer, and a conductor is arranged on the inner wall of the insulating layer.

Preferably, four groups of reinforcing ribs are distributed in an annular array in the impact-resistant layer.

Preferably, the insulating layer is made of a silicon rubber material.

Preferably, the impact-resistant layer is internally filled with flame-retardant polyurethane foam.

Preferably, the inner shielding layer and the inner shielding layer are both made of a tin-plated wire aluminum metal mesh.

Compared with the prior art, the utility model has the beneficial effects that:

1. this practicality can improve control cable's fire behavior under the effect on high temperature resistant layer, oxygen layer and flame retardant coating, can absorb the impact force that causes by the external world under the cooperation of protecting against shock layer and strengthening rib, increases the life of cable, prevents that the cracked condition of cable from taking place, can improve control cable's waterproof performance under the effect of waterproof ventilative rete.

2. This practicality is equipped with the insulating layer, makes control cable have good insulating nature under the effect of insulating layer, can improve control cable's shielding nature under the effect on outer shielding layer and internal shield layer, prevents that control cable during operation from receiving external signal interference for control cable during operation is more stable.

Fourthly, the method comprises the following steps: drawings

FIG. 1 is a schematic structural view of the present invention;

figure 2 is a schematic diagram of the cable core structure of the utility model.

In the figure: 1. a cable core; 2. an outer shield layer; 3. reinforcing ribs; 4. an impact-resistant layer; 5. a high temperature resistant layer; 6. an oxygen barrier layer; 7. a waterproof breathable film layer; 8. a conductor; 9. an insulating layer; 10. an inner shield layer; 11. a fire barrier layer; 12. a wear-resistant outer sheath.

Fifthly: Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the present invention provides a technical solution: spray control cable is prevented in insulating fire prevention protecting against shock of silicon rubber for nuclear power station, including wear-resisting oversheath 12, wear-resisting oversheath 12 inner wall is equipped with waterproof ventilative rete 7, can improve control cable's waterproof performance under waterproof ventilative rete 7's effect, waterproof ventilative rete 7 inner wall is equipped with separates oxygen layer 6, it is equipped with high temperature resistant layer 5 to separate 6 inner walls of oxygen layer, 5 inner walls on high temperature resistant layer are equipped with protecting against shock layer 4, protecting against shock layer 4 inside is equipped with four group's strengthening ribs 3, strengthening rib 3 is that imbed protecting against shock layer 4 inside, protecting against shock layer 4 inner wall is equipped with

outer shielding layer

2, 2 inner walls on outer shielding layer are equipped with cable core 1.

In this embodiment, referring to fig. 2, the cable core 1 includes a fire-proof layer 11 disposed on an inner wall of the outer shielding layer 2, an inner shielding layer 10 disposed on an inner wall of the fire-proof layer 11, an insulating layer 9 disposed on an inner wall of the inner shielding layer 10, and a conductor 8 disposed on an inner wall of the insulating layer 9.

In this embodiment, referring to fig. 1, four sets of reinforcing ribs 3 are distributed in an annular array inside the impact-resistant layer 4, and the tensile resistance of the cable can be improved under the action of the four sets of reinforcing ribs 3.

In this embodiment, referring to fig. 1, the insulating layer 9 is made of a silicon rubber material, so that the control cable has good insulating property under the action of the insulating layer.

In this embodiment, please refer to fig. 1, the impact-resistant layer 4 is filled with flame-retardant polyurethane foam, so that the impact force caused by the outside can be absorbed under the action of the impact-resistant layer 4, and the impact resistance of the cable is improved.

The working principle is as follows: can improve control cable's fire behavior under high temperature resistant layer 5, the effect that separates oxygen layer 6 and flame retardant coating 11, can absorb the impact force that causes by the external world under the cooperation of protecting against shock layer 4 and strengthening rib 3, increase the life of cable, prevent that the cracked condition of cable from taking place, can improve control cable's waterproof performance under the effect of waterproof ventilative rete 7 simultaneously.

Example 2

Referring to fig. 1-2, this embodiment differs from the first embodiment in that: the inner shielding layer 10 and the inner shielding layer 2 are both made of a tin-plated wire aluminum metal net, and the shielding performance of the control cable can be improved.

The working principle is as follows: the shielding performance of the control cable can be better improved under the action of the outer shielding layer 2 and the inner shielding layer 10, and the control cable can be prevented from being interfered by external signals during working, so that the control cable is more stable during working.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Silicon rubber insulating fire prevention protecting against shock prevents spraying control cable for nuclear power station, including wear-resisting oversheath (12), its characterized in that: the inner wall of the wear-resistant outer sheath (12) is provided with a waterproof breathable film layer (7), the inner wall of the waterproof breathable film layer (7) is provided with an oxygen isolation layer (6), the inner wall of the oxygen isolation layer (6) is provided with a high temperature resistant layer (5), the inner wall of the high temperature resistant layer (5) is provided with a shock-proof layer (4), four groups of reinforcing ribs (3) are arranged inside the shock-proof layer (4), the inner wall of the shock-proof layer (4) is provided with an outer shielding layer (2), and the inner wall of the outer shielding layer (2) is provided with a cable core (1); the cable core (1) comprises a fireproof layer (11) arranged on the inner wall of an outer shielding layer (2), an inner shielding layer (10) is arranged on the inner wall of the fireproof layer (11), an insulating layer (9) is arranged on the inner wall of the inner shielding layer (10), and a conductor (8) is arranged on the inner wall of the insulating layer (9); and the anti-impact layer (4) is filled with flame-retardant polyurethane foam.

2. The silicone rubber insulating fireproof, impact-resistant and spray-resistant control cable for the nuclear power station as claimed in claim 1, wherein: the four groups of reinforcing ribs (3) are distributed in the shock-proof layer (4) in an annular array.

3. The silicone rubber insulating fireproof, impact-resistant and spray-resistant control cable for the nuclear power station as claimed in claim 1, wherein: the insulating layer (9) is made of silicon rubber material.

4. The silicone rubber insulating fireproof, impact-resistant and spray-resistant control cable for the nuclear power station as claimed in claim 2, wherein: the inner shielding layer (10) and the outer shielding layer (2) are both made of a tin-plated wire aluminum metal net.